Vulnerability-Lookup

CNVD-2017-18525

Vulnerability from cnvd - Published: 2017-08-02

Title

Foreman rubygem-safemode安全绕过漏洞

Description

Foreman是一套用于物理和虚拟服务器中的生命周期管理工具。该工具提供服务开通、配置管理以及报告状态等功能。 Foreman 1.3.2及之前的版本中的rubygem-safemode存在安全漏洞。攻击者可利用该漏洞绕过安全模式限制，未授权删除对象或可能提升权限。

Severity

中

Patch Name

Foreman rubygem-safemode安全绕过漏洞的补丁

Patch Description

Foreman是一套用于物理和虚拟服务器中的生命周期管理工具。该工具提供服务开通、配置管理以及报告状态等功能。 Foreman 1.3.2及之前的版本中的rubygem-safemode存在安全漏洞。攻击者可利用该漏洞绕过安全模式限制，未授权删除对象或可能提升权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/svenfuchs/safemode/pull/23

Reference

https://github.com/svenfuchs/safemode/pull/23

Impacted products

Name
Foreman Foreman <1.3.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7540",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7540"
    }
  },
  "description": "Foreman\u662f\u4e00\u5957\u7528\u4e8e\u7269\u7406\u548c\u865a\u62df\u670d\u52a1\u5668\u4e2d\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u5de5\u5177\u3002\u8be5\u5de5\u5177\u63d0\u4f9b\u670d\u52a1\u5f00\u901a\u3001\u914d\u7f6e\u7ba1\u7406\u4ee5\u53ca\u62a5\u544a\u72b6\u6001\u7b49\u529f\u80fd\u3002\r\n\r\nForeman 1.3.2\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684rubygem-safemode\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u6a21\u5f0f\u9650\u5236\uff0c\u672a\u6388\u6743\u5220\u9664\u5bf9\u8c61\u6216\u53ef\u80fd\u63d0\u5347\u6743\u9650\u3002",
  "discovererName": "Foreman",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/svenfuchs/safemode/pull/23",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-18525",
  "openTime": "2017-08-02",
  "patchDescription": "Foreman\u662f\u4e00\u5957\u7528\u4e8e\u7269\u7406\u548c\u865a\u62df\u670d\u52a1\u5668\u4e2d\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u5de5\u5177\u3002\u8be5\u5de5\u5177\u63d0\u4f9b\u670d\u52a1\u5f00\u901a\u3001\u914d\u7f6e\u7ba1\u7406\u4ee5\u53ca\u62a5\u544a\u72b6\u6001\u7b49\u529f\u80fd\u3002\r\n\r\nForeman 1.3.2\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684rubygem-safemode\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u6a21\u5f0f\u9650\u5236\uff0c\u672a\u6388\u6743\u5220\u9664\u5bf9\u8c61\u6216\u53ef\u80fd\u63d0\u5347\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Foreman rubygem-safemode\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Foreman Foreman \u003c1.3.2"
  },
  "referenceLink": "https://github.com/svenfuchs/safemode/pull/23",
  "serverity": "\u4e2d",
  "submitTime": "2017-07-27",
  "title": "Foreman rubygem-safemode\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-7540 (GCVE-0-2017-7540)

Vulnerability from cvelistv5 – Published: 2017-07-21 22:00 – Updated: 2024-08-05 16:04

Summary

rubygem-safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation.

Severity

No CVSS data available.

CWE

CWE-184

Assigner

redhat redhat root

References

1 reference

URL	Tags
https://github.com/svenfuchs/safemode/pull/23	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Red Hat, Inc.	rubygem-safemode	Affected: 1.3.2 and earlier

Date Public

2017-07-11 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:04:11.899Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/svenfuchs/safemode/pull/23"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "rubygem-safemode",
          "vendor": "Red Hat, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "1.3.2 and earlier"
            }
          ]
        }
      ],
      "datePublic": "2017-07-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "rubygem-safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-184",
              "description": "CWE-184",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-07-21T21:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/svenfuchs/safemode/pull/23"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-7540",
    "datePublished": "2017-07-21T22:00:00.000Z",
    "dateReserved": "2017-04-05T00:00:00.000Z",
    "dateUpdated": "2024-08-05T16:04:11.899Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.